What Differential Do You Have in Your 1965 Barracuda?

toolmanmike said

741 and 742 came first. 741 cases were used in the A bodies and 742 in the B bodies.

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Yeah, I knew that part. I guess I shouldda been clearer than mud. lol I was askin what year the 8 3/4 came in the A body first? I caint remember.